Join Date: Jun 2001
Location: The road less traveled
Programs: UA Gold MM, AA EXP, Delta Platinum, Marriott Titanium, HHonors Diamond, Natl EE, Hertz Platinum
Posts: 5,189
Surprisingly, it is not every 30 days, it actually goes by date. I took "advantage" of this feature particularly with the OfficeDepot purchases. I would make a $50 purchase on, say, February 26 and then another within a few days on March 2. The points always posted appropriately.